- Author: Collins Ronald K. L., Skover David M
- Language: English
- Year: 2015
- Author: Universität München, Scholl family, Sölle Dorothee, Schultz Arthur R, Scholl Inge
- Language: English
- Year: 2011
- Author: Chapman Karen
- Language: English
- Year: 2019
- Author: Buhner Stephen Harrod
- Language: English
- Year: 2012
- Author: Buhner Stephen Harrod
- Language: English
- Year: 2013
- Author: Buhner Stephen Harrod
- Language: English
- Year: 2012
- Author: Urofsky Melvin I
- Language: English
- Year: 2015
- Author: Chopra Dr. Monika
- Language: English
- Year: 2020